CN204298239U - A kind of sealing structure of vacuum glass and vacuum glass product thereof - Google Patents
A kind of sealing structure of vacuum glass and vacuum glass product thereof Download PDFInfo
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- CN204298239U CN204298239U CN201420807910.6U CN201420807910U CN204298239U CN 204298239 U CN204298239 U CN 204298239U CN 201420807910 U CN201420807910 U CN 201420807910U CN 204298239 U CN204298239 U CN 204298239U
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Abstract
The utility model discloses a kind of sealing structure and vacuum glass product thereof of vacuum glass, wherein vacuum glass has the glass plate that at least two panels be arranged in parallel; The periphery of adjacent sheets of glass is provided with supporter matrix-like is become vacuum layer by the sealing of sealing-in limit, centre between two; Sealing-in limit comprises metallic carrier, and metallic carrier arranges groove, and the opening of groove is corresponding with treating the sealing region of sealing-in two glass sheets respectively to be arranged; Be filled with glass powder with low melting point slurry in described groove, LASER HEATING, heating using microwave or eddy-current heating time, metallic carrier temperature raises the fusing of described low-melting glass and then the sealing realizing glass sheet perimeter.During sealing-in, owing to only carrying out LASER HEATING locally, heating using microwave or eddy-current heating to periphery, the annealing of safety glass can be avoided, therefore, it is possible to realize the sealing-in of toughened vacuum glass.And compared with prior art, sealing structure of the present utility model is more firm, and air-tightness is more stable.
Description
Technical field
The utility model relates to a kind of vacuum glass sealing structure and adopts the vacuum glass product of this sealing structure edge sealing.
Background technology
Vacuum glass is subject to people's attention with its excellent sound insulation, heat insulation, heat-insulating property, also becomes the problem that people competitively study.
The method for sealing of existing vacuum glass mainly contains:
(1) as shown in Figure 1, application number is that the utility model patent of CN94192667.2 discloses a kind of vacuum glass, the sealing-in limit 1 of this vacuum glass adopts glass powder with low melting point melt-sealed, sealing temperature, generally at 400 DEG C ~ about 500 DEG C, makes glass powder with low melting point melt and the compound sealing-in that completes between glass plate and glass plate by flame or electric heating.The glass powder with low melting point slurry that this technique adopts is generally leaded or lead-free glass dust composition, and lead composition wherein has harm to environment and human body, has progressed into superseded state.This sealing-in mode is owing to having infiltration and the melting process of glass dust slurry, and sealing-in sealing is reliable; But its process equipment and complex process, and enter heated condition due to two glass sheets of encapsulation simultaneously, easily cause in the glass plate after encapsulation and there is encapsulation stress, it is unfavorable to use the long-term stability of manufactured goods, and when producing, energy consumption consumes huge.
In addition, when the Vacuum Package of safety glass or semi-tempered glass plate, because needs heat whole glass plate, when heating-up temperature is more than 250 degree, safety glass or semi-tempered glass there will be annealing phenomena, and the physical property of safety glass starts to decline.
(2) if application number is the utility model patent of CN02205234.8, a kind of vacuum glass adopts the film condensation material of various resin material and making laminated glass as the seal, sealing materials between glass plate, its technology is similar to the manufacture craft of laminated glass, although this process can realize the sealing-in between glass plate, but this resinoid, gas permeability and the outgassing rate of itself of film class material are all far longer than glass, and although the vacuum chamber surface area of vacuum glass is very large, volume is but very little, a certain amount of outgas will make the vacuum in vacuum chamber extremely degenerate, even lose vacuum, so the vacuum glass product that this sealing-in mode makes, the stability of Long-Time Service will be a problem.
Utility model content
For solving the problem, the purpose of this utility model is the sealing structure providing a kind of vacuum glass, carries out LASER HEATING, heating using microwave or eddy-current heating by treating seal glass, and then realizes the sealing-in to glass plate.In this process, owing to only carrying out local heat to periphery, the annealing of safety glass can be avoided, therefore can realize the sealing-in of toughened vacuum glass.Another object of the present utility model is the vacuum glass product providing the method for sealing of above-mentioned vacuum glass and utilize the method to process.
For achieving the above object, the sealing structure of a kind of vacuum glass of the utility model, described vacuum glass has the glass plate that at least two panels be arranged in parallel; The periphery of adjacent described glass plate is provided with supporter matrix-like is become vacuum layer by the sealing of sealing-in limit, centre between two; Described sealing-in limit comprises metallic carrier, and metallic carrier arranges groove, and the opening of groove is corresponding with treating the sealing region of sealing-in two glass sheets respectively to be arranged; Be filled with glass powder with low melting point slurry in described groove, LASER HEATING, heating using microwave or eddy-current heating time, metallic carrier temperature raises the fusing of described low-melting glass and then the sealing realizing glass sheet perimeter.
Further, described metallic carrier is made up of kovar alloy, copper alloy, nickel alloy, titanium alloy or silver alloy.
Further, described glass plate is simple glass, safety glass or semi-tempered glass.
Further, described metallic carrier is H-shaped, and H-shaped metallic carrier comprises the upper groove and low groove that hold glass powder with low melting point; H-shaped metallic carrier height is slightly less than the height of described vacuum layer, be placed on treat sealing-in two glass sheets between, leave gap between metallic carrier and two glass sheets, in upper groove and low groove, glass powder with low melting point is tightly connected with the inner surface of described two glass sheets respectively.
Further, described metallic carrier is the I-shaped structure put upside down, and I shape metallic carrier comprises outer panel, interior plate and median septum; Described interior plate is in height slightly shorter than outer panel; The inner surface at described glass plate edge is provided with the chamfering adapted with described I-shaped structure; Described I shape metallic carrier be integrally provided in treat sealing-in two glass plates between; Or the described interior plate of I shape metallic carrier is arranged between two glass plates, and described outer panel is arranged on outside the edge of glass plate, the height of outer panel is greater than the spacing of two glass plate edges; Gap is left between I shape metallic carrier and glass plate.
Further, described metallic carrier is ∽ shape, and ∽ shape metallic carrier comprises the left groove and right groove that hold glass powder with low melting point, and upwards, right slot opening is downward for left slot opening; H-shaped metallic carrier height is slightly less than the height of described vacuum layer, and be placed on treat sealing-in two glass sheets between, in left groove and right groove, glass powder with low melting point is tightly connected with the inner surface of described two glass sheets respectively.
Further, described metallic carrier is E shape, and E shape metallic carrier comprises the upper groove and low groove that hold glass powder with low melting point; Described E shape metallic carrier is arranged on outside the edge of two glass plates treating sealing-in; With regard to the height of opening and size, upper groove and low groove are corresponding with the side of described two glass plates respectively.
Further, described E shape metallic carrier comprises side plate, upper plate and lower plate, for separating the central dividing plate of described upper groove and low groove; Side plate, upper plate and central dividing plate surround described upper groove, and side plate, lower plate and central dividing plate surround described low groove; The thickness of central dividing plate is slightly less than the height of described vacuum layer.
Further, described upper plate and the described lower plate length of described E shape metallic carrier are slightly shorter than described central dividing plate, described central dividing plate stretch into treat sealing-in two glass plates between.
Further, the described described upper groove of E shape metallic carrier and the opening of described low groove are slightly larger than the thickness of described glass plate, and during sealing-in, glass plate inserts in described upper groove or low groove.
A method for sealing for vacuum glass, concrete steps are:
1) metallic carrier arranges groove, glass powder with low melting point slurry is filled in the groove on metallic carrier and makes sealing strip; Sealing strip being placed on the sealing region of glass plate, making that the opening of groove is corresponding with treating the sealing region of sealing-in two glass sheets respectively to be arranged;
2) will treat that seal glass slab integral is preheated to the basal temperature of setting;
3) adopt LASER HEATING, heating using microwave or induction heating mode to heat glass plate, described metallic carrier temperature raises and melts described glass powder with low melting point, and then by the peripheral sealing of adjacent two glass plates.
Further, described basal temperature higher than the annealing temperature of safety glass, is not preferably 150-290 DEG C.
Further, on described sealing region inner surface that described glass plate is set or peripheral side.
Further, described glass powder with low melting point slurry adopts drying or sintering process to be set in advance on described metallic carrier.
Further, described in treat seal glass plate is provided with bleeding point, after glass plate sealing-in, utilize this bleeding point extracting vacuum; Finally close this bleeding point.
Further, described step 3) completes in vacuum chamber, and the vacuum of vacuum chamber is consistent with the setting vacuum of vacuum glass.
Further, described glass plate is bend glass, and after sealing-in, described vacuum glass is curved vacuum glass.
A kind of vacuum glass product adopting above-mentioned sealing structure edge sealing.
Compared with prior art, the utility model makes sealing strip by being filled in by glass powder with low melting point slurry in the groove on metallic carrier, sealing strip is placed on the sealing region of glass plate, then LASER HEATING, heating using microwave or induction heating mode is adopted to heat glass plate, and then by the peripheral sealing of adjacent two glass plates.During sealing-in, owing to only carrying out LASER HEATING locally, heating using microwave or eddy-current heating to periphery, the annealing of safety glass can be avoided, therefore, it is possible to realize the sealing-in of toughened vacuum glass.And compared with prior art, sealing structure of the present utility model is more firm, and air-tightness is more stable.
Accompanying drawing explanation
Fig. 1 is the structural representation on sealing-in limit of the prior art;
Fig. 2 is the utility model structural representation in embodiment 1;
Fig. 3 is sealing structure schematic diagram in embodiment 2;
Fig. 4 is sealing structure schematic diagram in embodiment 3;
Fig. 5 is sealing structure schematic diagram in embodiment 4;
Fig. 6 is sealing structure schematic diagram in embodiment 5;
Fig. 7 is the structural representation that embodiment 5 further groove opening is greater than sheet thickness;
Fig. 8 is sealing structure schematic diagram in embodiment 6.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described.
embodiment 1
As shown in Figure 2, a kind of sealing structure of vacuum glass, vacuum glass has the glass plate 10 that two panels be arranged in parallel; The periphery of adjacent sheets of glass 10 is sealed by sealing-in limit 20 between two, centre is provided with supporter 15 matrix-like and becomes vacuum layer; Sealing-in limit 20 comprises metallic carrier 25, metallic carrier 25 is arranged two grooves, and the opening of two grooves is corresponding with treating the sealing region of sealing-in two glass plate 10 respectively to be arranged; Be filled in by glass powder with low melting point 21 slurry in two grooves on metallic carrier 25, when eddy-current heating, glass powder with low melting point 21 melts and then realizes the sealing of glass plate 10 periphery by the rising of metallic carrier 25 temperature.Metallic carrier 25 is made up of kovar alloy.In addition, metal structure can also be made up of copper alloy, nickel alloy, titanium alloy or silver alloy.Glass plate 10 can be simple glass, safety glass or semi-tempered glass.
Wherein, metallic carrier 25 is H-shaped, and H-shaped metallic carrier 25 comprises the upper groove and low groove that hold low-melting glass; In upper groove and low groove, glass powder with low melting point is tightly connected with the inner surface of two glass sheets 10 respectively.H-shaped metallic carrier height is slightly less than the height of vacuum layer, be placed on after between two glass sheets of sealing-in, leave gap between H-shaped metallic carrier 25 and glass plate 10, when avoiding sealing, glass plate is propped up by metallic carrier, and then affects the close contact of low-melting glass and glass plate.
embodiment 2
The present embodiment is substantially the same manner as Example 1, and difference is:
As shown in Figure 3, the metallic carrier 25a of sealing-in limit 20a is the I-shaped structure put upside down, and I shape metallic carrier comprises outer panel 26a, interior plate 28a and median septum 27a; Interior plate is in height slightly shorter than outer panel; The inner surface at glass plate edge is provided with the chamfering adapted with I-shaped structure.By arranging chamfering, under equal conditions increasing the contact area of low-melting glass and glass plate, adding the sealing effectiveness on sealing-in limit.
The height of outer panel 26a, interior plate 28a is less than the interval between two glass plates 10, I shape metallic carrier 25a be integrally provided in treat sealing-in two glass plates 10 between.Outer panel 26a and leave gap between interior plate 28a and glass plate 10, avoids metallic carrier to affect the close contact of glass powder with low melting point 21a and glass plate.
embodiment 3
The present embodiment is substantially the same manner as Example 2, and difference is:
As shown in Figure 4, interior plate 28b be arranged on treat sealing-in two glass plates 10 between, leave gap between the inner surface of interior plate 28b and glass plate 10; The height of outer panel 26b is greater than the spacing of two glass plates 10, and outer panel 26b is arranged on outside the edge of glass plate 10, and leaves gap between the side of outer panel 26b and glass plate 10.Arranged by this kind, add the sealing-in area on sealing-in limit to a greater degree, sealing effectiveness is more outstanding.
embodiment 4
The present embodiment is substantially the same manner as Example 1, and difference is:
As shown in Figure 5, sealing-in limit 20c be arranged on treat sealing-in two glass sheets between, the metallic carrier 25c of sealing-in limit 20c is ∽ shape, and ∽ shape metallic carrier 25c comprises the left groove and right groove that hold glass powder with low melting point 21c, upwards, right slot opening is downward for left slot opening; H-shaped metallic carrier 25c is highly slightly less than the height of vacuum layer, and and upper and lower two glass sheets 10 between leave gap, in left groove and right groove, glass powder with low melting point 21c is tightly connected with the inner surface of two glass sheets respectively.
embodiment 5
The present embodiment is substantially the same manner as Example 1, and difference is:
As shown in Figure 6, the metallic carrier 25d of sealing-in limit 20d is E shape, and E shape metallic carrier 25d comprises the upper groove and low groove that hold glass powder with low melting point 21d; E shape metallic carrier 25d is arranged on outside the edge of two glass plates 10 treating sealing-in; With regard to the height of opening and size, upper groove and low groove are corresponding with the side of upper glass sheets and lower glass sheets respectively.
E shape metallic carrier 25d comprises side plate 26d, upper plate 27d and lower plate 28d, for separating the central dividing plate 29d of described upper groove and low groove; Side plate 26d, upper plate 27d and central dividing plate 29d surround upper groove, and side plate 26d, lower plate 28d and central dividing plate 29d surround low groove; The thickness of central dividing plate 29d is slightly less than the height of vacuum layer, is namely slightly less than the spacing distance of glass sheets and lower glass sheets.Upper plate 27d and lower plate 28d length are slightly shorter than central dividing plate 29d, central dividing plate 29d stretch into treat sealing-in two glass plates 10 between, leave gap between central dividing plate 29d and two glass plates 10, avoid affecting the compact siro spinning technology between glass powder with low melting point 21d and glass plate.
In addition, as shown in Figure 7, the upper groove of E shape metallic carrier 25d and the opening of low groove can also slightly larger than the thickness of glass plate 10, and during sealing-in, glass plate inserts in upper groove or low groove.
embodiment 6
The present embodiment is substantially the same manner as Example 1, and difference is:
As shown in Figure 8, the vacuum glass of sealing structure comprises three glass sheets 10a, comprises two vacuum layer.
embodiment 7
A method for sealing for vacuum glass, concrete steps are:
1) metallic carrier is arranged two grooves, glass powder with low melting point slurry is filled in two grooves on metallic carrier and makes sealing strip; Sealing strip being placed on the sealing region of glass plate, making that the opening of groove is corresponding with treating the sealing region of sealing-in two glass sheets respectively to be arranged;
2) will treat that seal glass slab integral is preheated to the basal temperature of setting;
3) adopt LASER HEATING, heating using microwave or induction heating mode to heat glass plate, described metallic carrier temperature raises and melts described low-melting glass, and then by the peripheral sealing of adjacent two glass plates.
Wherein, basal temperature higher than the annealing temperature of safety glass, is not preferably 150-290 DEG C.On the inner surface that sealing region can arrange glass plate or peripheral side.
In addition, glass powder with low melting point slurry can also adopt drying or sintering process to be set in advance on metallic carrier.
Treat seal glass plate is provided with bleeding point (not shown), after glass plate sealing-in, utilize this bleeding point extracting vacuum; Finally close this bleeding point.Or step 3) completes in vacuum chamber, the vacuum of vacuum chamber is consistent with the setting vacuum of vacuum glass.Glass plate can be common plane or bend glass.
By arranging the metal structure for responding to heating in sealing-in limit, band seal glass plate passes through in alternating magnetic field, and the low-melting glass fusing on sealing-in limit, by the peripheral sealing of adjacent two glass plates.During sealing-in, only sealing-in limit consumed energy, so greatly reduce the energy ezpenditure of traditional method for sealing.And common sealing-in limit is compared, sealing structure of the present utility model is more firm, and air-tightness is more stable.
Below only describe several preferred embodiments of the application by reference to the accompanying drawings, but the application is not limited thereto, every those of ordinary skill in the art are under the spirit not departing from the application, and any improvement made and/or distortion, all belong to the protection domain of the application.
Claims (12)
1. a sealing structure for vacuum glass, described vacuum glass has the glass plate that at least two panels be arranged in parallel; The periphery of adjacent described glass plate is provided with supporter matrix-like is become vacuum layer by the sealing of sealing-in limit, centre between two; It is characterized in that, described sealing-in limit comprises metallic carrier, and metallic carrier arranges groove, and the opening of groove is corresponding with treating the sealing region of sealing-in two glass sheets respectively to be arranged; Be filled with glass powder with low melting point slurry in described groove, LASER HEATING, heating using microwave or eddy-current heating time, metallic carrier temperature raises the fusing of described low-melting glass and then the sealing realizing glass sheet perimeter.
2. sealing structure as claimed in claim 1, it is characterized in that, described metallic carrier is made up of kovar alloy, copper alloy, nickel alloy, titanium alloy or silver alloy.
3. sealing structure as claimed in claim 1, it is characterized in that, described glass plate is simple glass, safety glass or semi-tempered glass.
4. sealing structure as claimed in claim 1, it is characterized in that, described metallic carrier is H-shaped, and H-shaped metallic carrier comprises the upper groove and low groove that hold glass powder with low melting point; H-shaped metallic carrier height is slightly less than the height of described vacuum layer, be placed on treat sealing-in two glass sheets between, leave gap between metallic carrier and two glass sheets, in upper groove and low groove, low-melting glass is tightly connected with the inner surface of described two glass sheets respectively.
5. sealing structure as claimed in claim 1, it is characterized in that, described metallic carrier is the I-shaped structure put upside down, and I shape metallic carrier comprises outer panel, interior plate and median septum; Described interior plate is in height slightly shorter than outer panel; The inner surface at described glass plate edge is provided with the chamfering adapted with described I-shaped structure; Described I shape metallic carrier be integrally provided in treat sealing-in two glass plates between; Or the described interior plate of I shape metallic carrier is arranged between two glass plates, and described outer panel is arranged on outside the edge of glass plate, the height of outer panel is greater than the spacing of two glass plate edges; Gap is left between I shape metallic carrier and glass plate.
6. sealing structure as claimed in claim 1, it is characterized in that, described metallic carrier is ∽ shape, and ∽ shape metallic carrier comprises the left groove and right groove that hold glass powder with low melting point, and upwards, right slot opening is downward for left slot opening; H-shaped metallic carrier height is slightly less than the height of described vacuum layer, and be placed on treat sealing-in two glass sheets between, in left groove and right groove, glass powder with low melting point is tightly connected with the inner surface of described two glass sheets respectively.
7. sealing structure as claimed in claim 1, it is characterized in that, described metallic carrier is E shape, and E shape metallic carrier comprises the upper groove and low groove that hold glass powder with low melting point; Described E shape metallic carrier is arranged on outside the edge of two glass plates treating sealing-in; With regard to the height of opening and size, upper groove and low groove are corresponding with the side of described two glass plates respectively.
8. sealing structure as claimed in claim 7, it is characterized in that, described E shape metallic carrier comprises side plate, upper plate and lower plate, for separating the central dividing plate of described upper groove and low groove; Side plate, upper plate and central dividing plate surround described upper groove, and side plate, lower plate and central dividing plate surround described low groove; The thickness of central dividing plate is slightly less than the height of described vacuum layer.
9. sealing structure as claimed in claim 8, it is characterized in that, described upper plate and the described lower plate length of described E shape metallic carrier are slightly shorter than described central dividing plate, described central dividing plate stretch into treat sealing-in two glass plates between.
10. sealing structure as claimed in claim 8, is characterized in that, the described described upper groove of E shape metallic carrier and the opening of described low groove are slightly larger than the thickness of described glass plate, and during sealing-in, glass plate inserts in described upper groove or low groove.
11. sealing structures as claimed in claim 1, it is characterized in that, described glass plate is bend glass, and after sealing-in, described vacuum glass is curved vacuum glass.
12. 1 kinds of vacuum glass products adopting the arbitrary described sealing structure edge sealing of claim 1-11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420807910.6U CN204298239U (en) | 2014-12-19 | 2014-12-19 | A kind of sealing structure of vacuum glass and vacuum glass product thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420807910.6U CN204298239U (en) | 2014-12-19 | 2014-12-19 | A kind of sealing structure of vacuum glass and vacuum glass product thereof |
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| Publication Number | Publication Date |
|---|---|
| CN204298239U true CN204298239U (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420807910.6U Expired - Fee Related CN204298239U (en) | 2014-12-19 | 2014-12-19 | A kind of sealing structure of vacuum glass and vacuum glass product thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104496159A (en) * | 2014-12-19 | 2015-04-08 | 洛阳兰迪玻璃机器股份有限公司 | Edge-sealing method of vacuum glass and vacuum glass product |
| CN106920889A (en) * | 2015-12-28 | 2017-07-04 | 昆山国显光电有限公司 | A kind of screen method for packing |
| CN109851236A (en) * | 2017-11-30 | 2019-06-07 | Lg电子株式会社 | Vacuum glass and its manufacturing method |
| CN111302663A (en) * | 2018-12-11 | 2020-06-19 | 徐宝安 | Metal brazing interlayer vacuum-adjusting heat-insulating glass with protective frame, rolling support frame and metal brazing interlayer |
-
2014
- 2014-12-19 CN CN201420807910.6U patent/CN204298239U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104496159A (en) * | 2014-12-19 | 2015-04-08 | 洛阳兰迪玻璃机器股份有限公司 | Edge-sealing method of vacuum glass and vacuum glass product |
| CN106920889A (en) * | 2015-12-28 | 2017-07-04 | 昆山国显光电有限公司 | A kind of screen method for packing |
| CN106920889B (en) * | 2015-12-28 | 2018-10-26 | 昆山国显光电有限公司 | A kind of screen packaging method |
| CN109851236A (en) * | 2017-11-30 | 2019-06-07 | Lg电子株式会社 | Vacuum glass and its manufacturing method |
| US11236542B2 (en) | 2017-11-30 | 2022-02-01 | Lg Electronics Inc. | Vacuum glazing and method for manufacturing the same |
| US11846135B2 (en) | 2017-11-30 | 2023-12-19 | Lg Electronics Inc. | Vacuum glazing and method for manufacturing the same |
| CN111302663A (en) * | 2018-12-11 | 2020-06-19 | 徐宝安 | Metal brazing interlayer vacuum-adjusting heat-insulating glass with protective frame, rolling support frame and metal brazing interlayer |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20211219 |